Stallings, William. <br/><br/>
Cryptography and network security :  principles and practice / 
W. Stallings. 
 - 5th ed. 
 - Boston, Mass. :  Prentice Hall,  2011. 
 - 743 p. :  ill. ;  23 cm. 
<br/><br/>Includes bibl. references and index. 
<br/><br/><label>ISBN: </label>9780137056323(pbk) :  SR234.00 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer security.<br/>Cryptography.<br/>Computer networks--Security measures.
<br/><br/><label>Dewey Class. No.: </label>005.82  / St18 2011